EBSA No 3: Seamounts of West Norfolk ridge - Ocean Biodiversity Information System

EBSA No 3: Seamounts of West Norfolk ridge

Statistics

Occurrence records	17,096
Species level	14,167
Species	1,705
Taxa	2,264
Datasets	63
Time range	1928 - 2016

Data quality

Dropped records

Dropped records	0
Not marine	1
No WoRMS match	280
No coordinates	0
Zero coordinates	0

Taxonomic issues

Marine unsure	1
No accepted name available	22

Missing and invalid fields

Field	Missing	Invalid
coordinateUncertaintyInMeters	14,123	899
eventDate	9,980	0
maximumDepthInMeters	2,819	38
minimumDepthInMeters	2,788	38
occurrenceStatus	5,675	0
scientificName	198	0
scientificNameID	1,009	5

Spatial issues

Records on land	0
More than 20 km from shore	0
Depth exceeds bathymetric depth	2,528

Top datasets

Dataset	Records
Benthic species from the tropical Pacific surrounding New Caledonia Published 2025-03-20	4,233
The molluscs collection (IM) of the Muséum national d'Histoire naturelle (MNHN - Paris) in the southwest Pacific region Published 2020-06-07	2,344
SeamountsOnline Published 2023-07-07	1,974
The cnidarians collection (IK) of the Muséum national d'Histoire naturelle (MNHN - Paris) in the southwest Pacific region Published 2018-08-08	1,777
The crustaceans collection (IU) of the Muséum national d'Histoire naturelle (MNHN - Paris) in the southwest Pacific region Published 2018-08-08	1,070
Stylasteridae (Cnidaria: Hydrozoa: Anthoathecata) of the New Caledonian region Published 2019-01-03	670
FishNet2 Marine Data Published 2023-12-19	605
The fishes collection (IC) of the Muséum national d'Histoire naturelle (MNHN - Paris) Published	534
NOAA Deep-Sea Coral Research and Technology Program Published 2025-02-05	517
The echinoderm collection (IE) of the Muséum national d'Histoire naturelle (MNHN - Paris) Published 2025-03-20	437

Distribution

Disclaimer: EEZ boundaries based on Marine Regions (no endorsement).

Records

Composition

detailed (class) simple

Top taxa

Unique species IUCN Red List All taxa Unique species IUCN Red List All taxa Unique species IUCN Red List All taxa

Scientific name	Records
Sassia remensa (Iredale, 1936) Phylum Mollusca > Class Gastropoda	349
Tritonoranella latitudo (Garrard, 1961) Phylum Mollusca > Class Gastropoda	320
Octocorallia Haeckel, 1866 Phylum Cnidaria > Class Octocorallia	222
Korrigania quirihorai (Beu, 1987) Phylum Mollusca > Class Gastropoda	218
Conus bruuni A. W. B. Powell, 1958 Phylum Mollusca > Class Gastropoda	160
Distorsio habei H. Lewis, 1972 Phylum Mollusca > Class Gastropoda	157
Conus plinthis Richard & Moolenbeek, 1988 Phylum Mollusca > Class Gastropoda	143
Crypthelia Milne Edwards & Haime, 1849 Phylum Cnidaria > Class Hydrozoa	112
Ophiuroidea Gray, 1840 Phylum Echinodermata > Class Ophiuroidea	110
Cancellopollia gracilis Vermeij & Bouchet, 1998 Phylum Mollusca > Class Gastropoda	104

Newest species

Scientific name	Records	Since
Echinostylinos gorgonopsis Lévi, 1993 Phylum Porifera > Class Demospongiae	2	2016
Ophiopeza spinosa (Ljungman, 1867) Phylum Echinodermata > Class Ophiuroidea	1	2016
Ophiolimna perfida (Koehler, 1904) Phylum Echinodermata > Class Ophiuroidea	1	2016
Amphiophiura bakeri McKnight, 2003 Phylum Echinodermata > Class Ophiuroidea	2	2016
Amphioplus (Amphioplus) spinosus Cherbonnier & Guille, 1978 Phylum Echinodermata > Class Ophiuroidea	2	2016
Amphiura (Amphiura) magellanica Ljungman, 1867 Phylum Echinodermata > Class Ophiuroidea	2	2016
Ophiotholia spathifer (Lyman, 1879) Phylum Echinodermata > Class Ophiuroidea	2	2016
Abyssocladia kanaconi Vacelet, 2020 Phylum Porifera > Class Demospongiae	2	2016
Abyssocladia microstrongylata Vacelet, 2020 Phylum Porifera > Class Demospongiae	2	2016
Ophiosemnotes conferta (Koehler, 1922) Phylum Echinodermata > Class Ophiuroidea	2	2016

Data providers

Name	Records
Museum National d'Histoire Naturelle / IRD	6,154
The Marine Biological Association of the United Kingdom	4,244
Institut de Recherche pour le Développement, Centre de Nouméa	4,233
Muséum National d'Histoire Naturelle; Department Systematics and Evolution	4,233
U.S. Geological Survey HQ	2,529
Southwestern Pacific OBIS Node	2,344
Scripps Institution of Oceanography	1,974
National Institute for Water & Atmospheric Research	1,007
National Museum of Natural History, Smithsonian Institution	757
Intergovernmental Oceanographic Commission of UNESCO	728